On Mon, 2017-01-16 at 00:14 +0100, Karsten Merker wrote: > On Sun, Jan 15, 2017 at 08:24:37PM +0100, permondes - sagen wrote: > > Copying back the previous boot.scr made it boot again. The environment > > variables were the same as before. So I am back where I have been > > before. > > To make sure that we are talking about the same thing here: You > wrote before that you have no way to access the u-boot prompt, so > how do you know what your current u-boot environment looks like?
FWIW fw_printenv from the u-boot-tools package can read the u-boot env, given an appropriate config in /etc/fw_env.config. There is also fw_setenv to to set them, don't think it supports setting to defaults or anything like that though. Ian.